恐龍卡第 1963 張，共 2 027 張

Yanornis

名字的意思： “Yan bird”1

吃：魚早期鳥類白堊紀早期

Yanornis was an ancient bird that lived during the time of the dinosaurs. It was about the size of a chicken and could fly well. It loved to eat fish!1

生存年代

126 到 113 百萬年前4

白堊紀早期

化石發現地

Liaoning province, China1 2

最高速度

時速約 27 公里（17 英里）

飛行, 估計值

牠生活在什麼時候？

三疊紀

侏羅紀

白堊紀

2 億 5200 萬年前20114566，小行星撞地球

牠有多快？

走路的人 時速約 5 公里 (3 mph)

騎腳踏車的小朋友 時速約 12 公里 (7 mph)

Yanornis 時速約 27 公里 (17 mph)

一匹飛奔的馬 時速約 65 公里 (40 mph)

一隻獵豹 時速約 100 公里 (62 mph)

酷東西

趣味知識

Yanornis had a long skull with about 10 teeth in the upper jaw and 20 teeth in the lower jaw.1

Its wishbone (furcula) was U-shaped, which helped it fly and walk well.1

Yanornis spent most of its time on the ground because its feet were not good at grasping branches.1

Some scientists think Yanornis might have eaten seeds sometimes, but others disagree.1

The front half of a Yanornis fossil was once glued to the tail of a Microraptor to make a fake fossil called 'Archaeoraptor'.1

Yanornis 的 AI 繪圖 — 這是電腦根據科學家目前的知識，用 AI 畫出 Yanornis 可能的樣子。這只是猜測：真正的動物可能長得不一樣，也沒有人知道牠真正的顏色。

你們都在問

關於 Yanornis 最常被問的問題

?What did Yanornis eat?

Yanornis was primarily a fish-eater. Several fossils show fish remains in its stomach and crop, though some scientists once thought it might also eat seeds.1 3

?How big was Yanornis?

Yanornis was about the size of a chicken.1

?Could Yanornis fly?

Yes, Yanornis could fly well. It had a modern-looking wishbone and wing bones that allowed it to lift its wings high for an efficient upstroke.1

?Is Yanornis a dinosaur?

Yanornis is an extinct bird that belongs to the dinosaur group called Avialae, so yes, it is considered a type of dinosaur.1

給恐龍專家

學名: Yanornis
命名者: Zhou and Zhang 20014
類群: 早期鳥類
科 / 演化支: Yanornithidae4
分類: Theropoda > Avialae4
岩石的年代: 126 到 113 百萬年 (Barremian / Aptian)4
岩層: Jiufotang, Yixian4
國家: 中國4
化石紀錄: The Paleobiology Database 收錄 4 筆4
發現: Yanornis was named by Zhou and Zhang in 2001. The type species Y. martini was named after paleontologist Larry Martin.1 4
仍有爭議: Scientists still debate whether Yanornis sometimes switched its diet from fish to seeds.1